291407193

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140167}}^1$

素因数の和:140194

約数の個数: 32

約数和(自身を含む): 538245120

約数和(自身を除く): 246837927

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 140167, 420501, 981169, 1261503, 1541837, 2943507, 3784509, 4625511, 8830521, 10792859, 13876533, 26491563, 32378577, 41629599, 97135731, 291407193]

約数ペア:

[(1, 291407193), (3, 97135731), (7, 41629599), (9, 32378577), (11, 26491563), (21, 13876533), (27, 10792859), (33, 8830521), (63, 4625511), (77, 3784509), (99, 2943507), (189, 1541837), (231, 1261503), (297, 981169), (693, 420501), (2079, 140167)]